![](https://www.pusr.com/uploads/20230718/K3-1_01-20230718132001.jpg)
![](https://www.pusr.com/uploads/20230718/K3-1_02-20230718132001.jpg)
![](https://www.pusr.com/uploads/20230718/K3-1_03-20230718132002.jpg)
![](https://www.pusr.com/uploads/20230718/K3-1_04-20230718132003.jpg)
![](https://www.pusr.com/uploads/20230718/K3-1_05-20230718132004.jpg)
TTL to Ethernet Converter
Bidirectional Transparent Transmission
![](https://www.pusr.com/uploads/20230718/K3-1_06-20230718132005.jpg)
Powerful TI SoC with
Maximum Performance
The module adopts TI Cortex-M4 SoC
which can provide improved
performance and higher stability.
![](https://www.pusr.com/uploads/20230718/K3-1_07-20230718132006.jpg)
Function Block Diagram
![](https://www.pusr.com/uploads/20230718/K3-1_08-20230718132007.jpg)
Simplify IoT Development
![](https://www.pusr.com/uploads/20230718/K3-1_09-20230718132008.jpg)
![](https://www.pusr.com/uploads/20230718/fad01baddabff7837b923d5e029cd12a-20230718134455.jpg)
Multiple User Scenario
![](https://www.pusr.com/uploads/20230718/K3-2_04-20230718132010.jpg)
Advanced Features
Registration Packet
The server can identify
different clients by using
registration packets.
![](https://www.pusr.com/uploads/20230718/K3-2_05-20230718132011.jpg)
Heartbeat Packet
Server can detect
abnormal disconnection
from the client using this
feature (K3 as an TCP client).
![](https://www.pusr.com/uploads/20230718/K3-2_06-20230718132011.jpg)
Customized RFC2217
Users can dynamically modify the baud rate of the K3 by
sending PUSR customized protocol over the network.
![](https://www.pusr.com/uploads/20230718/K3-2_07-20230718132013.jpg)
One More Thing, Modbus Gateway
Transfer between Modbus RTU and Modbus TCP protocol.
Support Modbus multihost polling.
![](https://www.pusr.com/uploads/20230718/K3-2_08-20230718132013.jpg)
Industrial-grade Design, Highly Reliable
Watchdog Protection
Built-in hardware watchdog,
7*24h stable operation
without downtime.
![](https://www.pusr.com/uploads/20230718/K3-2_09-20230718132014.jpg)
Wide Operating Temperature
-40℃ ~ +85℃
![](https://www.pusr.com/uploads/20230718/K3-2_10-20230718132014.jpg)
1.5KV Electromagnetic
Protection
Fully Enclosed Metal Protective Shield
Built-in Ethernet Isolation Transformer
![](https://www.pusr.com/uploads/20230718/K3-2_11-20230718132015.jpg)
Easy Configuration, Quick Start
![](https://www.pusr.com/uploads/20230718/K3-2_12-20230718132015.jpg)
Customized Webpage
With this feature, users can change logo, style,
company information and so on to advertise their
own brand and enhance their brand influence
![](https://www.pusr.com/uploads/20230718/K3-2_13-20230718132017.jpg)
Applications
Barrier Gate
![](https://www.pusr.com/uploads/20230718/K3-2_14-20230718132017.jpg)
Industrial
&
Automation
![](https://www.pusr.com/uploads/20230718/K3-2_15-20230718132018.jpg)